Whir of Invention [Aether Revolt Promos] Rat Rogue The purpose of any moat

The purpose of any moat is to impede attack

Set: Magic 2014 Type: Artifact Mythic Cost: {5} Ring of Three Wishes enters the battlefield with three wish counters on it

Set: Guilds of Ravnica Type: Land — Forest Plains Rare Cost: ({T}: Add {G} or {W}

Set: Modern Horizons Type: Legendary Planeswalker — Wrenn Rarity: Mythic Cost: {R}{G} +1: Return up to one target land card from your graveyard to your hand

Whir of Invention [Aether Revolt Promos] Rat Rogue The purpose of any moatSet: Aether Revolt Promos Type: Instant Rarity: Rare Cost: {X}{U}{U}{U} Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.